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

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

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

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

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