C1111233131211111211113313331323133313331333133313231311332233131   >>    C111123313121111121111331333132313331333133313331323131133223313   <<    C1111233131211111211113313331323133313331333133313231311332233133   >>      C1111233131211111211113313331323133313331333133313231311332233132   >>