C31232233133313221211113313331333132313331322121111331121333133322231   >>    C3123223313331322121111331333133313231333132212111133112133313332223   <<    C31232233133313221211113313331333132313331322121111331121333133322233   >>      C31232233133313221211113313331333132313331322121111331121333133322232   >>