C3132121111133313233121111331333133313331333133313331333133313112113223321   >>    C313212111113331323312111133133313331333133313331333133313331311211322332   <<    C3132121111133313233121111331333133313331333133313331333133313112113223323   >>      C3132121111133313233121111331333133313331333133313331333133313112113223322   >>