C31232233133313221211113313331333131211113313231333132212312321   >>    C3123223313331322121111331333133313121111331323133313221231232   <<    C31232233133313221211113313331333131211113313231333132212312323   >>      C31232233133313221211113313331333131211113313231333132212312322   >>