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

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

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

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

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