C111113331333132322331333133313331323323131121133133313331331121111331322123311   >>    C11111333133313232233133313331333132332313112113313331333133112111133132212331   <<    C111113331333132322331333133313331323323131121133133313331331121111331322123313   >>      C111113331333132322331333133313331323323131121133133313331331121111331322123312   >>