C313212111113331323312111133133313331333133313231333133313331333133313113121321   >>    C31321211111333132331211113313331333133313331323133313331333133313331311312132   <<    C313212111113331323312111133133313331333133313231333133313331333133313113121323   >>      C313212111113331323312111133133313331333133313231333133313331333133313113121322   >>