C312322331333132212111133133313331323133313221211113313233313121321   >>    C31232233133313221211113313331333132313331322121111331323331312132   <<    C312322331333132212111133133313331323133313221211113313233313121323   >>      C312322331333132212111133133313331323133313221211113313233313121322   >>