C111113331333132322331333133313331333133313121111331333131121221111   >>    C11111333133313232233133313331333133313331312111133133313112122111   <<    C111113331333132322331333133313331333133313121111331333131121221113   >>      C111113331333132322331333133313331333133313121111331333131121221112   >>