C31232233133313221211113313331333133313332213121111331322331323223231   >>    C3123223313331322121111331333133313331333221312111133132233132322323   <<    C31232233133313221211113313331333133313332213121111331322331323223233   >>      C31232233133313221211113313331333133313332213121111331322331323223232   >>