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