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