C31232233133313221211113313331333132313331322121111121111113323132331121   >>    C3123223313331322121111331333133313231333132212111112111111332313233112   <<    C31232233133313221211113313331333132313331322121111121111113323132331123   >>      C31232233133313221211113313331333132313331322121111121111113323132331122   >>