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