C1111133313331323223313331333133313331323131211111311331323133313132311211331   >>    C111113331333132322331333133313331333132313121111131133132313331313231121133   <<    C1111133313331323223313331333133313331323131211111311331323133313132311211333   >>      C1111133313331323223313331333133313331323131211111311331323133313132311211332   >>