C312322331333132212111133133313331323133313221211111211331211111232321   >>    C31232233133313221211113313331333132313331322121111121133121111123232   <<    C312322331333132212111133133313331323133313221211111211331211111232323   >>      C312322331333132212111133133313331323133313221211111211331211111232322   >>