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

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

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

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

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