C313212111113331323312111133133313331333133313331333133313331333131121331121   >>    C31321211111333132331211113313331333133313331333133313331333133313112133112   <<    C313212111113331323312111133133313331333133313331333133313331333131121331123   >>      C313212111113331323312111133133313331333133313331333133313331333131121331122   >>