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

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

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

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

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