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

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

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

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

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