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