C31232233133313221211113313331333133313112223313231333132313322321   >>    C3123223313331322121111331333133313331311222331323133313231332232   <<    C31232233133313221211113313331333133313112223313231333132313322323   >>      C31232233133313221211113313331333133313112223313231333132313322322   >>