C31232233133313221211113313331333132313331322121111123313113313221233131221   >>    C3123223313331322121111331333133313231333132212111112331311331322123313122   <<    C31232233133313221211113313331333132313331322121111123313113313221233131223   >>      C31232233133313221211113313331333132313331322121111123313113313221233131222   >>