C312322331333132212111133133313331323133313221211113313112221312321   >>    C31232233133313221211113313331333132313331322121111331311222131232   <<    C312322331333132212111133133313331323133313221211113313112221312323   >>      C312322331333132212111133133313331323133313221211113313112221312322   >>