C11111333133313232233133313331333133313231312111133121111332333221   >>    C1111133313331323223313331333133313331323131211113312111133233322   <<    C11111333133313232233133313331333133313231312111133121111332333223   >>      C11111333133313232233133313331333133313231312111133121111332333222   >>