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

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

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

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

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