C313212111113331323312111133133313331333133313331333133313331323221313221   >>    C31321211111333132331211113313331333133313331333133313331333132322131322   <<    C313212111113331323312111133133313331333133313331333133313331323221313223   >>      C313212111113331323312111133133313331333133313331333133313331323221313222   >>