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