C111113331333132322331333133313331333132313121111331323311211111   >>    C11111333133313232233133313331333133313231312111133132331121111   <<    C111113331333132322331333133313331333132313121111331323311211113   >>      C111113331333132322331333133313331333132313121111331323311211112   >>