C31232233133313221211113313331333132233131133131133132313331323133313232212231   >>    C3123223313331322121111331333133313223313113313113313231333132313331323221223   <<    C31232233133313221211113313331333132233131133131133132313331323133313232212233   >>      C31232233133313221211113313331333132233131133131133132313331323133313232212232   >>