C31232233133313221211113313331333132233131133131133132313331323133313231311211   >>    C3123223313331322121111331333133313223313113313113313231333132313331323131121   <<    C31232233133313221211113313331333132233131133131133132313331323133313231311213   >>      C31232233133313221211113313331333132233131133131133132313331323133313231311212   >>