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

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

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

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

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