C11111333133313232233133313331333133313232233312111111331323131   >>    C1111133313331323223313331333133313331323223331211111133132313   <<    C11111333133313232233133313331333133313232233312111111331323133   >>      C11111333133313232233133313331333133313232233312111111331323132   >>