C312322331333132212111133133313331323133313221211113323133311232321   >>    C31232233133313221211113313331333132313331322121111332313331123232   <<    C312322331333132212111133133313331323133313221211113323133311232323   >>      C312322331333132212111133133313331323133313221211113323133311232322   >>