C313212111113331323312111133133313331333133313331333133313331323312111113233221   >>    C31321211111333132331211113313331333133313331333133313331333132331211111323322   <<    C313212111113331323312111133133313331333133313331333133313331323312111113233223   >>      C313212111113331323312111133133313331333133313331333133313331323312111113233222   >>