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

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

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

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

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