C313212111113331323312111133133313331333133313331333133313231333133313121113321   >>    C31321211111333132331211113313331333133313331333133313331323133313331312111332   <<    C313212111113331323312111133133313331333133313331333133313231333133313121113323   >>      C313212111113331323312111133133313331333133313331333133313231333133313121113322   >>