D F D B' (D2) // 2x2x2 on DBL (4+1/5)
B F L' U L B' // 2x2x3 on DB (6-2/9)
U' F U' F U F // F2L on L instead, leaving 3c on R (6/15)

skel: D F D F L' U L B' U' F U' F U F D2 @
@ = [D F2 D', B2] // insert 3c comm (8-1/22)
//==========================================================
another 22 (found earlier):
F R2 U B L2 U' D'      // X-Cross on L\UB (7/7)
D F $ D F' D'          // F2L-1p on L-UF (5-2/10)
F' % R' U R F R' U' R' // all edges, leaving 5c (8/18)
% = [F2, R' U R U']    // insert 3c comm (10-7/21)
$ = [R, D F' D' F]     // insert 3c comm (10-9/22)

final: F R2 U B L2 U' F R D F' D' F R2 U R U' F2 U F R' U' R'
//==========================================================
missed this 20, thought the EO breaks too many pairs:
B R D2 R             // EO on LR-axis (4/4)
F2 B' U' F2 U        // 2x2x2 on UBL + sq on F (5/9)
U' R2 U @ F2 D F' R2 // F2L on L, leaving 3c on R (7-2/14)
@ = [U2, F' D F]     // insert 3c comm (8-2/20)

final: B R D2 R F2 B' U' F2 R2 U' F' D F U2 F' D' F' D F' R2