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

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

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

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

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