C31232233133313221211113313331333132313331333133313331333133313331311121123231   >>    C3123223313331322121111331333133313231333133313331333133313331333131112112323   <<    C31232233133313221211113313331333132313331333133313331333133313331311121123233   >>      C31232233133313221211113313331333132313331333133313331333133313331311121123232   >>