C11111333133313232233133313331333133313231312111133132311213233123231   >>    C1111133313331323223313331333133313331323131211113313231121323312323   <<    C11111333133313232233133313331333133313231312111133132311213233123233   >>      C11111333133313232233133313331333133313231312111133132311213233123232   >>