C31232233133313221211113313331333133313311211111323223313331311   >>    C3123223313331322121111331333133313331331121111132322331333131   <<    C31232233133313221211113313331333133313311211111323223313331313   >>      C31232233133313221211113313331333133313311211111323223313331312   >>