C31232233133313221211113313331333131211113313231333133313112331313323213122321   >>    C3123223313331322121111331333133313121111331323133313331311233131332321312232   <<    C31232233133313221211113313331333131211113313231333133313112331313323213122323   >>      C31232233133313221211113313331333131211113313231333133313112331313323213122322   >>