(0 20 4)(1 8 5)(2 12 11)(3 18 16 15 6)(7 13 9)(10 21 19 17 14)
ALLOWS (11/8)-SEQUENCE
1: (0 1 4)
(0)(1 20 4 8 5)(2 12 11)(3 18 16 15 6)(7 13 9)(10 21 19 17 14)
2: (4 8 20)
(0)(1 20 5)(2 12 11)(3 18 16 15 6)(4)(7 13 9)(8)(10 21 19 17 14)
3: (3 18 6)
(0)(1 20 5)(2 12 11)(3)(4)(6 16 15)(7 13 9)(8)(10 21 19 17 14)(18)
4: (17 21 19)
(0)(1 20 5)(2 12 11)(3)(4)(6 16 15)(7 13 9)(8)(10 21 14)(17)(18)(19)