C313212111113331323312111133133313331333133313331333133313331323223331323211   >>    C31321211111333132331211113313331333133313331333133313331333132322333132321   <<    C313212111113331323312111133133313331333133313331333133313331323223331323213   >>      C313212111113331323312111133133313331333133313331333133313331323223331323212   >>