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

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

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

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

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