C31232233133313221211113313331333131211113313231333132213131121   >>    C3123223313331322121111331333133313121111331323133313221313112   <<    C31232233133313221211113313331333131211113313231333132213131123   >>      C31232233133313221211113313331333131211113313231333132213131122   >>