C313212111113331323312111133133313331333133313331333133313332233132313112111   >>    C31321211111333132331211113313331333133313331333133313331333223313231311211   <<    C313212111113331323312111133133313331333133313331333133313332233132313112113   >>      C313212111113331323312111133133313331333133313331333133313332233132313112112   >>