C31232233133313221211113313331333132313331322121111331312111133132311213121   >>    C3123223313331322121111331333133313231333132212111133131211113313231121312   <<    C31232233133313221211113313331333132313331322121111331312111133132311213123   >>      C31232233133313221211113313331333132313331322121111331312111133132311213122   >>