C11111333133313232233133313331333133313231312111133121111121323131   >>    C1111133313331323223313331333133313331323131211113312111112132313   <<    C11111333133313232233133313331333133313231312111133121111121323133   >>      C11111333133313232233133313331333133313231312111133121111121323132   >>