(0 21 5)(1 10 2)(3 7 4)(6 12 8)(9 18 15 13 11)(14 19 16)(17 22 20)
ALLOWS (11/8)-SEQUENCE
1: (1 10 15)
(0 21 5)(1 13 11 9 18 15 2)(3 7 4)(6 12 8)(10)(14 19 16)(17 22 20)
2: (9 18 11)
(0 21 5)(1 13 11 15 2)(3 7 4)(6 12 8)(9)(10)(14 19 16)(17 22 20)(18)
3: (14 19 16)
(0 21 5)(1 13 11 15 2)(3 7 4)(6 12 8)(9)(10)(14)(16)(17 22 20)(18)(19)
4: (2 11 15)
(0 21 5)(1 13 11)(2)(3 7 4)(6 12 8)(9)(10)(14)(15)(16)(17 22 20)(18)(19)