C1111133313331323223313331333133313331323131313121111331311211332321   >>    C111113331333132322331333133313331333132313131312111133131121133232   <<    C1111133313331323223313331333133313331323131313121111331311211332323   >>      C1111133313331323223313331333133313331323131313121111331311211332322   >>