C31232233133313221211113313331333132313331333133313331333133313331123113321   >>    C3123223313331322121111331333133313231333133313331333133313331333112311332   <<    C31232233133313221211113313331333132313331333133313331333133313331123113323   >>      C31232233133313221211113313331333132313331333133313331333133313331123113322   >>