(0 21 2)(1 8 3)(4 11 5)(6 19 13 9 7)(10 15 12)(14 18 16)(17 22 20)
ALLOWS (11/8)-SEQUENCE
1: (1 4 11)

(0 21 2)(1 5 4 8 3)(6 19 13 9 7)(10 15 12)(11)(14 18 16)(17 22 20)
2: (3 4 8)

(0 21 2)(1 5 4)(3)(6 19 13 9 7)(8)(10 15 12)(11)(14 18 16)(17 22 20)
3: (7 13 9)

(0 21 2)(1 5 4)(3)(6 19 13)(7)(8)(9)(10 15 12)(11)(14 18 16)(17 22 20)
4: (10 15 12)

(0 21 2)(1 5 4)(3)(6 19 13)(7)(8)(9)(10)(11)(12)(14 18 16)(15)(17 22 20)