C31232233133313221211113313331333131333132313331323131333132322231   >>    C3123223313331322121111331333133313133313231333132313133313232223   <<    C31232233133313221211113313331333131333132313331323131333132322233   >>      C31232233133313221211113313331333131333132313331323131333132322232   >>