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

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

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

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

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